Composition for paving purposes.



I No Drawing.

quantity 0 UNITED STATES P TENT OFFICE.

JOSEPH H Y AMIES, 0E PHILADELPHI PENNSYLVANIA, ASSIG oE 'ro THE AMIES ASPHALT- comPANr, 0 PHILADELPHIA, PENNSYLVANIA, A. CORPORATION OF swan DAK Specification of Letters Patent. v Application am; February, 1909, Serial o. 479,350.

COMPbSIljION! FOB. PAVING PURPOSES.

certain new and useful Composition for Paving Purposes, of which" the following is a Specification.

The principal object of my invention is to utilize a light oil in the production of a composition for avingl purposes:

Another 0 ject 1s to make a composition Without employing heat in pre aring the mineral elements to receive the sad light oil.

My process is as follows :I place a batch quantity ofmineral, -or like elem'ents' as broken stones, pebbles, etc., upon a mixing board, or in a mlxin'g machine m a cold state. I then coat these elements with a light oil, such as crude oil or the like. When this is effected ipour thereon and .thereover a due boiling asphalt or other desirable elements and mix them well together. It

will be found that the hot elements will now.

easily and rapidly adhere'to the particles of After slaking, the calcium'oxi' A of calcium hydrate,

- thebatch. now pou r over the batch thus Patented 'Dec. 7, 1909..

mixed a due quantit of a rapid mixture of crushed calcium oxi or calcium hydrate and water constituting'a cream of calcium hydrate. This cream ofwcalcium hydrate should be thin enough to our but it should be mixed with the batch. efore slakin has begun.

becomes calcium hydrate. The result will be a friable and granular mass which can be used at convenience for the been pre ared.

What claim is V y a, I A composition for paving urposes formed of mineral matters and the like, coated with a light oil then mixed with hot asphaltic cement and the like, then mixed with a cream for the purposes as fully purposes for which it has set forth. p

In testimony whereof'I hereunto sign'my name.

S. F. KooH, WILLIAM J. J AoKsoN. 

